100031313 has 8 divisors (see below), whose sum is σ = 136979968. Its totient is φ = 64885104.

The previous prime is 100031303. The next prime is 100031377. The reversal of 100031313 is 313130001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100031313 - 2⁴ = 100031297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100031303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450481 + ... + 450702.

It is an arithmetic number, because the mean of its divisors is an integer number (17122496).

Almost surely, 2^100031313 is an apocalyptic number.

It is an amenable number.

100031313 is a deficient number, since it is larger than the sum of its proper divisors (36948655).

100031313 is an equidigital number, since it uses as much as digits as its factorization.

100031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901223.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 100031313 is about 10001.5655274562. The cubic root of 100031313 is about 464.2073256624.

Adding to 100031313 its reverse (313130001), we get a palindrome (413161314).

The spelling of 100031313 in words is "one hundred million, thirty-one thousand, three hundred thirteen".